The 2009 GAS GAS TXT 80 Cadet is a lightweight trial bike designed for young and novice riders learning fundamental off-road skills. Powered by a responsive 72cc two-stroke engine with adjustable suspension, it delivers precise handling and manageable power delivery ideal for technical terrain navigation and competition training.
Editorial estimate from the spec sheet - not lab tested
Off-road & trail95%
Cornering60%
City riding5%
Daily riding5%
Touring5%
Two-up0%
Track5%
Best for
Built purely for low-speed technical trials competition and skill training over obstacles, rocks, and tight terrain rather than for speed or distance riding.
Built for
Nimble, featherweight, and utterly focused on precision control, this little two-stroke rewards balance and finesse over power.
Not ideal for
This is not suitable for adult riders, highway use, touring, or anyone seeking speed, comfort, or passenger capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Full specifications
Engine
Capacity
72.5 ccm
Engine type
Single, two-stroke
Bore x stroke
47.0 x 41.8 mm
Cooling system
Liquid
Fuel system
Carburettor
Ignition
Variable electronic
Lubrication system
2.5% mixture
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multidisc
Dimensions & weight
Wheelbase
1300 mm
Seat height
665 mm
Dry weight
57.0 kg
Fuel capacity
3.00 litres
Chassis & suspension
Frame
Eliptic profile made with CR-Mo
Front suspension
32 mm adjustable telehydraulic fork
Rear suspension
Variable progressivity system
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
185 mm
Rear brakes
Single disc
Rear brakes diameter
150 mm
Front tyre
2.50-19
Rear tyre
3.50-17
Other
Color options
Red/grey
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted
Specification
2008
2009
Capacity
73 cc
73 cc
Dry weight
57 kg
57 kg
Seat height
665 mm
665 mm
Fuel capacity
3 L
3 L
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
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